The government spending to get the economy to the long-run equilibrium if the marginal propensity to consume is 0.6 is $80 billion.
First step is to find the multiplier using this formula
Multiplier = 1/(1-MPC)
Let plug in the formula
Multiplier=1(1-0.6)
Multiplier=1/0.4
Multiplier=2.5
Second step is to calculate government spending using this formula
Government spending=Recessionary gap /Multiplier
Let plug in the formula
Government spending=$200 billion/2.5
Government spending=$80 billion
Inconclusion the government spending to get the economy to the long-run equilibrium if the marginal propensity to consume is 0.6 is $80 billion.
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